# SMAJ18A (Component)

## Description

400W unidirectional Transient Voltage Suppressor, 18\.0Vr, SMA\(DO\-214AC\)
unidirectional diode TVS voltage suppressor
D\*SMA\* 

## Component Details

- **Owner:** kicad\-part\-library
- **Created:** 10/28/2026
- **Last Updated:** 10/28/2026
- **Visibility:** Public
- **Datasheet URL:** https://www\.littelfuse\.com/media?resourcetype=datasheets&itemid=75e32973\-b177\-4ee3\-a0ff\-cedaf1abdb93&filename=smaj\-datasheet
- **Manufacturer Part Number:** SMAJ18A
- **Manufacturer Name:** Littelfuse
- **Part Type:** Diode
- **Package or Case Code:** D\_SMA

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/smaj18a/littelfuse.html?utm_currency=USD&region=nac) | $0\.0958 | 0 |
| [Digi\-Key](https://www.digikey.com/en/products/detail/taiwan-semiconductor-corporation/SMAJ18A/7368939) | $0\.10 | 3\.5K |
| [LCSC](https://www.lcsc.com/product-detail/esd-and-surge-protection-tvs-esd_fms-formosa-microsemi-smaj18a_C143123.html) | N/A | N/A |
| [Mouser](https://www.mouser.com/en/ProductDetail/Taiwan-Semiconductor/SMAJ18A?qs=tHU%252FlV7kTyQcd0%25252B76Hx1Sg%253D%253D) | $0\.37 | 9\.7K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=SMAJ18A-LF) | N/A | N/A |
| [Verical](https://www.verical.com/pd/bourns-tvs-SMAJ18A-987111?utm_currency=USD) | N/A | N/A |

- **Part Type:** Diodes
- **Sub-Type:** Other
- **Manufacturer:** Littelfuse
- **MPN:** SMAJ18A
- **Package / Case Code:** D\_SMA
- **Pin Count:** 2
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | A1 | Passive |
| 2 | A2 | Passive |

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*Generated from [https://flux\.ai/kicad\-part\-library/smaj18a\~min](https://flux.ai/kicad-part-library/smaj18a~min)*